An organization needs to have backups span between different BasicDisk storage units. The “Allow backups to span disk” setting has been enabled in Host
Properties.
Which additional requirement must an administrator meet to allow backups to span disks?

A.
enable the “Enable standalone drive extension” setting in host properties

B.
put the BasicDisk storage units in a storage unit group

C.
create a disk pool with all the appropriate disk volumes

D.
configure the Media Server as a Storage Server